Yes, eating primal will make it much easier to be more satisfied with eating less
Yes, eating primal will help normalize your biochemistry and give you more energy to burn more calories
No one here is denying those truths
And yes, you probably don't have some obscure medical condition if you recklessly eat primal food until you're stuffed, then don't lose weight, you just need to eat less and exercise some self control. TRY THAT FIRST, before you self diagnose yourself with a thyroid disorder or something like that, because the former is all that needs a change. Good old fashioned will power and work ethic are underrated here.
And it's true, even in the alternative diet market, people will try and convince you that your weight loss is a result of some hormone or food, explaining why it's not your fault, and you can't do anything about it until you read their book for $39.95 on amazon. The paleo market isn't immune from sheisters.